diff options
Diffstat (limited to 'doc/using/UART_srcs/capitalisation')
-rw-r--r-- | doc/using/UART_srcs/capitalisation/Zeichnung.svg | 225 | ||||
-rw-r--r-- | doc/using/UART_srcs/capitalisation/capitalisation.png | bin | 48212 -> 0 bytes | |||
-rw-r--r-- | doc/using/UART_srcs/capitalisation/capitalisation.vhd | 51 | ||||
-rw-r--r-- | doc/using/UART_srcs/capitalisation/makefile | 18 | ||||
-rw-r--r-- | doc/using/UART_srcs/capitalisation/tb_capitalisation.vhd | 89 | ||||
-rw-r--r-- | doc/using/UART_srcs/capitalisation/top_capitalisation.vhd | 126 | ||||
-rw-r--r-- | doc/using/UART_srcs/capitalisation/zeichnung.png | bin | 15065 -> 0 bytes |
7 files changed, 0 insertions, 509 deletions
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-entity capitalisation is - port( - clk : in std_logic; - reset : in std_logic; - --in - rdata : in std_logic_vector(7 downto 0); - rd_en : in std_logic; - rd : out std_logic; - --out - wdata : out std_logic_vector(7 downto 0); - wr_en : in std_logic; - wr : out std_logic - ); -end; - -architecture Behavioral of capitalisation is - - - -begin - - - process(clk) - begin - wr<='0'; - rd<='0'; - if wr_en='1' and rd_en ='1' then - wr<='1'; - rd<='1'; - if (unsigned(rdata)>X"60") and - (unsigned(rdata)<X"7B") then - wdata<=rdata(7 downto 6 )&'0'& rdata(4 downto 0); - else - wdata<=rdata; - end if; - end if; - if reset='1' then - wr<='0'; - end if; - end process; - - - -end Behavioral; - diff --git a/doc/using/UART_srcs/capitalisation/makefile b/doc/using/UART_srcs/capitalisation/makefile deleted file mode 100644 index ad8a01b04..000000000 --- a/doc/using/UART_srcs/capitalisation/makefile +++ /dev/null @@ -1,18 +0,0 @@ -all: - rm -rf work - mkdir work - - ghdl -a --work=work --workdir=work top_capitalisation.vhd - ghdl -a --work=work --workdir=work capitalisation.vhd - ghdl -a --work=work --workdir=work ../rx/UART_RX_8N1.vhd - ghdl -a --work=work --workdir=work ../tx/UART_TX_8N1.vhd - ghdl -a --work=work --workdir=work capitalisation.vhd - - ghdl -a --work=work --workdir=work tb_capitalisation.vhd - ghdl -e --workdir=work -Pwork tb_capitalisation - ghdl -r tb_capitalisation --wave=tbench.ghw --stop-time=700us - - -view: - gtkwave tbench.ghw a.gtkw - diff --git a/doc/using/UART_srcs/capitalisation/tb_capitalisation.vhd b/doc/using/UART_srcs/capitalisation/tb_capitalisation.vhd deleted file mode 100644 index 364142946..000000000 --- a/doc/using/UART_srcs/capitalisation/tb_capitalisation.vhd +++ /dev/null @@ -1,89 +0,0 @@ --- tb_capitalisation.vhd ----------------------------------------------------------------------- -library ieee; -use ieee.std_logic_1164.all; -use ieee.numeric_std.all; - -entity tb_capitalisation is -end tb_capitalisation; - -architecture behavior of tb_capitalisation is - - constant board_clk_period : time := 10 ns; - constant board_clk_freq: integer :=100E6; --100MHz - - signal board_clk : std_logic := '0'; - signal reset : std_logic := '0'; - signal rx : std_logic := '1'; - signal tx : std_logic; - - procedure tx_char (signal txpin : out std_logic; - txdata : in character; baudrate : in integer) is - constant bittime : time := (integer(1000000000.0/real(baudrate))) * 1 ns; - variable c : std_logic_vector(7 downto 0); - begin - c := std_logic_vector(to_unsigned(character'pos(txdata), 8)); - txpin <= '0'; -- Startbit - wait for bittime; - for i in 0 to 7 loop - txpin <= c(i); - wait for bittime; - end loop; - txpin <= '1'; -- Stopbit - wait for bittime; - end tx_char; - - -- Component Declaration for the Unit Under Test (UUT) -component top_capitalisation is - generic (clk_freq : integer; - baudrate : integer); - port( - board_clk : in std_logic ; - reset : in std_logic ; - rx : in std_logic ; - tx : out std_logic ); -end component; - -begin - -- Instantiate the Unit Under Test (UUT) -UART_example: top_capitalisation - generic map ( - clk_freq => board_clk_freq, - baudrate =>115200) - port map( - board_clk => board_clk, - reset => reset, - rx => rx, - tx => tx ); - - process - begin - wait for 80000 ns; - tx_char(RX, '$', 115200); - tx_char(RX, 'g', 115200); - tx_char(RX, '#', 115200); - wait for 50 us; - tx_char(RX, 'b', 115200); - tx_char(RX, 'c', 115200); - wait; -- will wait forever - end process; - - -- Clock process definitions - board_clk_process : process - begin - board_clk <= '0'; - wait for board_clk_period/2; - board_clk <= '1'; - wait for board_clk_period/2; - end process; - - -- Stimulus process - process - begin - reset <= '1'; - wait for 100 ns; - reset <='0'; - wait; - end process; - -end; diff --git a/doc/using/UART_srcs/capitalisation/top_capitalisation.vhd b/doc/using/UART_srcs/capitalisation/top_capitalisation.vhd deleted file mode 100644 index 01c8e3585..000000000 --- a/doc/using/UART_srcs/capitalisation/top_capitalisation.vhd +++ /dev/null @@ -1,126 +0,0 @@ --- top_capitalisation.vhd ----------------------------------------------------------------------- - --- top_capitalisation --- | --- + capitalisation --- + UART_8N1_RX --- + UART_8N1_TX - -library ieee; -use ieee.std_logic_1164.all; -use ieee.numeric_std.all; - -entity top_capitalisation is - generic (clk_freq : integer; - baudrate : integer); - port( - board_clk : in std_logic ; - reset : in std_logic ; - rx : in std_logic ; - tx : out std_logic ); -end top_capitalisation; - -architecture behavior of top_capitalisation is - signal rd_en : std_logic; - signal rdata : std_logic_vector (7 downto 0); - signal rd : std_logic; - - signal wr_en : std_logic; - signal wdata : std_logic_vector (7 downto 0); - signal wr : std_logic; - -component capitalisation is - port( - clk : in std_logic; - reset : in std_logic; - --in - rdata : in std_logic_vector(7 downto 0); - rd_en : in std_logic; - rd : out std_logic; - --out - wdata : out std_logic_vector(7 downto 0); - wr_en : in std_logic; - wr : out std_logic - ); -end component; - -component UART_8N1_RX is - generic (clk_freq : integer; - baudrate : integer); - port( - clk : in std_logic; - reset : in std_logic; - --8bit interface - rdata : out std_logic_vector(7 downto 0); - rd : in std_logic; - rd_en : out std_logic; - --physical wire RX - rx : in std_logic - ); -end component; - -component UART_8N1_TX is - generic( - clk_freq : integer; - baudrate : integer; - addr_depth : integer:=5); - port( - clk : in std_logic; - reset : in std_logic; - --8bit interface - wdata : in std_logic_vector(7 downto 0); - wr : in std_logic; - wr_en : out std_logic; - - --physical wire - tx : out std_logic); -end component; - - -begin - -UART_RX:UART_8N1_RX - generic map ( - clk_freq => clk_freq, - baudrate =>115200) - port map( - clk => board_clk, - reset => reset, - rdata => rdata, - rd => rd, - rd_en => rd_en, - --physical wire RX - rx => rx - ); - -trans: capitalisation - port map( - clk => board_clk, - reset => reset, - --in - rdata => rdata, - rd_en => rd_en, - rd => rd, - --out - wdata => wdata, - wr_en => wr_en, - wr => wr - ); - -UART_TX: UART_8N1_TX - generic map( - clk_freq => clk_freq, - baudrate => 115200) - port map( - clk => board_clk, - reset => reset, - --8bit interface - wdata => wdata, - wr => wr, - wr_en => wr_en, - - --physical wire TX - tx => tx - ); -end; diff --git a/doc/using/UART_srcs/capitalisation/zeichnung.png b/doc/using/UART_srcs/capitalisation/zeichnung.png Binary files differdeleted file mode 100644 index f51a0fbdd..000000000 --- a/doc/using/UART_srcs/capitalisation/zeichnung.png +++ /dev/null |